Английская Википедия:Eucalyptus dura
Шаблон:Short description Шаблон:Speciesbox
Eucalyptus dura is a species of small to medium sized tree that is endemic to south-eastern Queensland. It has rough, dark grey to black "ironbark", lance-shaped adult leaves, flower buds in groups of seven, white flowers and conical fruit.
Description
Eucalyptus dura is a tree that typically grows to a height of Шаблон:Cvt and forms a lignotuber. It has dark grey to black ironbark on the trunk and larger branches, smooth grey to cream-coloured bark on branches less than Шаблон:Cvt in diameter. Young plants and coppice regrowth have lance-shaped to egg-shaped leaves Шаблон:Cvt long and Шаблон:Cvt wide. Adult leaves are lance-shaped, sometimes curved, Шаблон:Cvt long and Шаблон:Cvt wide on a petiole Шаблон:Cvt long. The leaves are the same or a similar glossy green on both sides. The flower buds are arranged in groups of seven on the end of branchlets on a branched peduncle Шаблон:Cvt long, the individual buds on a pedicel Шаблон:Cvt long. Mature buds are oval to pear-shaped, Шаблон:Cvt long and Шаблон:Cvt wide with a conical operculum that is narrower and shorter than the floral cup. Flowering mainly occurs from April to June and the flowers are white. The fruit is a woody, conical capsule Шаблон:Cvt long and Шаблон:Cvt wide on a pedicel Шаблон:Cvt long with the valves below the level of the rim.[1][2][3]
Taxonomy and naming
Eucalyptus dura was first formally described in 1991 by Lawrie Johnson and Ken Hill from a specimen collected from Turkey Mountain in the Barakula State Forest in 1984.[2][4] The specific epithet (dura) is a Latin word meaning "hard" or "tough",[5] referring to the bark of this tree.[1]
Distribution and habitat
This ironbark grows in grassy and dry forests in sandy soil, usually on higher places. It occurs between the Biggenden, Chinchilla and Boonah districts in south-east Queensland.[1][2]
Uses
Essential oils
The leaves of E. dura are rich in oils, particularly β-phellandrene and 1,8-cineole. These oils may be suitable for development of a bacteriostat.[6][7]
Photo gallery
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Deeply furrowed, tough bark from the lower trunk of Eucalyptus dura
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Smaller branches of E. dura are smooth and silvery-grey near the canopy.
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Small, conical capsules with ribs of E. dura
References
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- Английская Википедия
- Eucalyptus
- Myrtales of Australia
- Flora of Queensland
- Trees of Australia
- Plants described in 1991
- Taxa named by Lawrence Alexander Sidney Johnson
- Taxa named by Ken Hill (botanist)
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- Страницы с телепортом
- Википедия
- Статья из Википедии
- Статья из Английской Википедии
